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Yes, Radios Need Energy. ( All Electronics Need Energy )
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∙ 13y ago
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What are the sources of energy for tv?
The energy for the TV comes from the electrical connection it makes to the mains. Some radios (called crystal radios) can operate using only the energy in the broadcast signal, but all TVs must be connected to a power source, usuallly the mains.
What device was chemical energy in portable radios to produce sounds?
batteries or dry cells
What are the two forms of energy a radio uses?
Basically Electromagnetic waves but less powerful than microwaves and visible rays. Called radio waves their range of wavelengths are of the order of a few centi-metres to metres (atleast twice the length of ur receiver antenna)
Why you need energy when you sleep?
Because you move a lot when you sleep, To move you need energy so you need energy to sleep.
What does wave energy convert into?
Electricity generated from wave energy (as in the energy of acean surface waves) can be converted into heat or light, or be used to power any electrical items (such as televisions, computers, radios, etc). Wave energy may also be used to mechanically power any number of other industrial processes, not just electricity generation.
What kind of energy do a radio use?
Radios use eletrical energy
Do radios need signal?
no
Does the world need a radios?
YES the world needs radios! Where else are we suposed to get our entertainment from??????????????
What can store energy?
batteries,wind up radios e.t.c
Is a radio and example of radiant energy?
Yes. Radios use radio waves which are radiant energy.
Is it possible to transfer electrical energy in waves?
Yes. This is how radios work.
What are the sources of energy for tv?
The energy for the TV comes from the electrical connection it makes to the mains. Some radios (called crystal radios) can operate using only the energy in the broadcast signal, but all TVs must be connected to a power source, usuallly the mains.
Why don't Crystal Radios need a power source?
Crystal Radios don't need a power source because, the crystal runs on the radio waves it receives.
What radios will fit in an eclipse?
Basically any single and double bin radios. You will need to buy a special adapter though.
What can wind energy power?
wind energy can power heaters tv's, radios, computers, phones,fridges, and even ovens
What type of batteries do portable radios take?
From my experience, most portable radios take either quite a few AA's, or a few 9V's. Also you can get radios that need C and D batteries.
How many radios were used when they were first invented?
You need at least two radios, one transmitter and one receiver to be able to say that you've invented radio.
